Ethod of manufacturing plated goods



(No Model.)

A. E. SHADER.

METHOD OF MANUFACTURING PLATED GOODS.

No. 356,284. Patented Jan. 18, 188-7.

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AUGUSTUS n. snanna'or CHICAGO, ILLINOIS.

METHOD CFIMANUFACTURING PLATED eooos.

SPECIFICATION forming part of Letters Patent No. 356,234, dated January 18, 1887,

Application filed February 20, 1886. Serial No. 192,670. (No model.)

. To aZZ whom it may concern:

Beitknown that I, AUGUSTUS E. SHADER, a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Methods of Manufacturing Plated Goods; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilledin the art to which it pertains to make and use the same.

My invention relates to improvements in the manufacture of rolled-plate goods, and more especially of such articles as have circular or cylindrical edges, the object of the invention being the production of rolled-plate articles whose edges, when finished, shall have the Same appearance as the edges of similar articles of solid gold.

The invention is fully described and explained in this specification, and shown in the accompanying drawings, in which- Figure 1 is a central section of a rolled-plate thimble whose edge has been grooved in the manner constituting the first step in the finishing process; Fig. 2, a similar section of a finished thimble; Fig. 3, a central section of a thimble having in its edge a groove somewhat different in form from that shown in Fig. 1; Fig. 4, a similar view of a thiinble whose edge has been prepared for finishing by cutting away the filling material and the inner plating; Fig. 5, a central section of a ring having both edges grooved; Fig. 6, a similar view of same with its edges finished; Fig. 7, a plan of a button-back having its edges grooved, the groove being indicated by dotted lines; Fig.

- 8, a central transverse section of same; Fig. 9,

enlarged views of the grooved and finished edges shown in Figs. 1, 2.

In these views, A is the base or filling, and A A are the gold-platings of each of the various rolled-plate articles illustrated, the base and the platings being united and the articles being formed in the ordinary way, and my improvement being confined to the finishing of the edges of the articles after they have been formed. The method of finishing consists, substantially, of cutting away the filling material at the edge of each article, and then burnishing together the edges of the platings to form a perfect surface of gold. The material may be cut away by forming a V-shaped groove,

' as shown in Fig. 1, and then burnishing together the two faces of the groove; or by forming a rectangular groove, as shown in Fig. 3, and burnishing down the platings A A until their edges meet; or by cutting away the filling material and the plating on one face thereof, as shown in Fig. 4, and then burnishing down the edge of the remaining plate until it'covers the exposed edges.

Figs. 5 and 6 illustrate the finishing of both edges of a ring in the same way shownin Figs. 1, 2 in the case of a thimble, and Figs. 7, 8 show the application of the Same process to the finishing of a buttonback. The same process may be applied to the finishing of rolled-plate goods other than those having circular edges; but the finishing of such articles requires more complicated machinery and is .not as satisfactory in its results as the finishing of circularedged goods. The grooving and burnishing of the edges of such articles as are illustrated in the drawings may be effected with no other machinery than an ordinary lathe and its appliances, and there is no difficulty in making the work practically perfect.

The articles, when finished, have the same appearance as similar articles of solid gold, and at the same time are free from the thickened or beaded edge, which has heretofore been a characteristic of plated goods and which in many articles is very objectionable.

The different'ways of removing the filling material which are illustrated in the drawings are the best which I have tried; but I do not confine my invention to these specifically, since it is evident that the particular form which the cutting takes is not essential.-

Having now described and explained my invention, what I claim as new, and desire to Secure by Letters Patent, is

1. The method of finishing the edge of a rolled-plated sheet,which consists of, first, cutting away the edge of the filling material or body of the sheet, and, second, burnishing together the edges of the platings on opposite faces of the filling, substantially as and for the purpose set forth.

2. The method of finishing the edge of a rolled-plated article having a circular or cylindrical form, which consists in turning agroove in the edge to remove a portion of the filling, and, second, burnishing together the faces of the groove, substantially as and for the pur- In testimony whereof I have signed this 10 pose set forth. specification in the presence of two subscrib- 3. As a new article of manufacture, an artiing witnesses. ole formed from a sheet plated on both faces 5 and having a plain edge formed by cutting AUGUSTUS E. SHADER.

away the filling material at the edge of the article and burnishing together the overlapping \Vitnesses: edges of the plating, substantially as shown ANTON H. MIoHELsEN,

and described, and for the purpose set forth. CHAS. XV. PERKINS. 

